Grumiplucite
A valid IMA mineral species
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About Grumiplucite
Formula:
HgBi2S4
Colour:
grey-black
Lustre:
Metallic
Specific Gravity:
7.02 (Calculated)
Crystal System:
Monoclinic
Name:
Named after the amateur mineralogical organization Gruppo Mineralogico e Paleontologico Lucchese, members of which provided the specimens for study.
Type Locality:
Known synthetic analogue. Unique combination of elements. Second Bi-Hg mineral after petrovicite. The Hg analogue of kudriavite.
OD (ordered-disordered) character.
OD (ordered-disordered) character.
Unique Identifiers
Mindat ID:
6981
Long-form identifier:
mindat:1:1:6981:2
GUID
(UUID V4):
(UUID V4):
bce62c33-04cf-4c1d-9936-357b056903af
Classification of Grumiplucite
Approved
Approval year:
1997
First published:
1998
Type description reference:
2.JA.05b
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
A : Galena derivatives with little or no Pb
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
J : Sulfosalts of PbS archetype
A : Galena derivatives with little or no Pb
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
Symbol | Source | Reference |
---|---|---|
Gpc | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Physical Properties of Grumiplucite
Metallic
Transparency:
Opaque
Colour:
grey-black
Cleavage:
Perfect
Almost micaceous (001)
Almost micaceous (001)
Density:
7.02 g/cm3 (Calculated)
Optical Data of Grumiplucite
Anisotropism:
distint, bluish grey to yellowish grey
Bireflectance:
low
Reflectivity:
Wavelength | R1 | R2 | imR1 | imR2 |
---|---|---|---|---|
470nm | 35.7% | 37.8% | 23.2% | 25.0% |
546nm | 35.4% | 37.5% | 23.0% | 25.0% |
589nm | 34.9% | 37.0% | 22.0% | 24.0% |
650nm | 33.9% | 35.8% | 20.4% | 22.7% |
Graph shows reflectance levels at different wavelengths (in nm). Top of box is 100%. Peak reflectance is 37.8%.
R1 shown in black, R2 shown in red, imR1 shown in green, imR2 shown in blue
Colour in reflected light:
creamy white
Chemical Properties of Grumiplucite
Formula:
HgBi2S4
Elements listed:
Crystallography of Grumiplucite
Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
B2/m
Setting:
C2/m
Cell Parameters:
a = 14.172(2) Å, b = 4.0525(7) Å, c = 13.975(1) Å
β = 118.257(8)°
β = 118.257(8)°
Ratio:
a:b:c = 3.497 : 1 : 3.448
Unit Cell V:
707 ų
Z:
2
Morphology:
Elongated along the [010] axis
Twinning:
Ubiquitously twinned on (001)
Comment:
Cell data from Števko et al. 2015
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
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CIF File Best | x | y | z | a | b | c
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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure
ID | Species | Reference | Link | Year | Locality | Pressure (GPa) | Temp (K) |
---|---|---|---|---|---|---|---|
0009710 | Grumiplucite | Mumme W G, Watts J A (1980) HgBi2S4: Crystal structure and relationship with the pavonite homologous series Acta Crystallographica B36 1300-1304 | 1980 | synthetic | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
d-spacing | Intensity |
---|---|
6.153 Å | (100) |
3.077 Å | (82) |
2.0516 Å | (59) |
1.5388 Å | (32) |
3.542 Å | (22) |
3.492 Å | (13) |
3.534 Å | (10) |
Comments:
From Števko et al. 2015
Geological Environment
Paragenetic Mode(s):
Paragenetic Mode | Earliest Age (Ga) |
---|---|
High-𝑇 alteration and/or metamorphism | |
33 : Minerals deposited by hydrothermal metal-rich fluids (see also [#12]) |
Type Occurrence of Grumiplucite
General Appearance of Type Material:
Very slender grey-black prismatic crystals, with a metallic luster and almost micaceous (001) cleavage. Crystals are elongated according to [010] and are twinned on (001).
Place of Conservation of Type Material:
Museo di Storia Naturale e del Territorio, Pisa University (n° 4262).
Geological Setting of Type Material:
Quartz veins in a small mercury deposit hosted within phyllitic and metavolcanic rocks of Middle to Upper Ordovician, intensely deformed and metamorphosed to the greenschist facies. Low-temperature, formed in low-f(S2) conditions.
Associated Minerals at Type Locality:
Reference:
Orlandi P., Dini A., Olmi F. (1998) Grumiplucite, a new mercury-bismuth sulfosalt species from the Levigliani mine, Apuan Alps, Tuscany, Italy. The Canadian Mineralogist: 36: 1321-1326.
Synonyms of Grumiplucite
Other Language Names for Grumiplucite
German:Grumiplucit
Spanish:Grumiplucita
Common Associates
Associated Minerals Based on Photo Data:
15 photos of Grumiplucite associated with Cinnabar | HgS |
5 photos of Grumiplucite associated with Mercury | Hg |
3 photos of Grumiplucite associated with Quartz | SiO2 |
3 photos of Grumiplucite associated with Sphalerite | ZnS |
1 photo of Grumiplucite associated with Dolomite | CaMg(CO3)2 |
1 photo of Grumiplucite associated with Siderite | FeCO3 |
1 photo of Grumiplucite associated with Metacinnabar | HgS |
Related Minerals - Strunz-mindat Grouping
2.JA. | Ferdowsiite | Ag8(Sb5As3)S16 |
2.JA. | Sangenaroite | Ag8(Sb8-xAsx)SΣ16 |
2.JA. | Luboržákite | Mn2AsSbS5 |
2.JA.05e | Benjaminite | Ag3Bi7S12 |
2.JA.05g | Borodaevite | Ag5(Bi,Pb,Fe)8(Sb,Bi)2S17 |
2.JA.05a | Cupropavonite | Cu0.9Ag0.5Pb0.6Bi2.5S5 |
2.JA.05i | Livingstonite | HgSb4S6(S2) |
2.JA.05d | Makovickyite | Cu1.12Ag0.81Pb0.27Bi5.35S9 |
2.JA.05f | Mummeite | Cu0.58Ag3.11Pb1.10Bi6.65S13 |
2.JA.05a | Pavonite | AgBi3S5 |
2.JA.05h | Mozgovaite | PbBi4S7 |
2.JA.05d | Cupromakovickyite | Cu4AgPb2Bi9S18 |
2.JA.05c | Kudriavite | (Cd,Pb)Bi2S4 |
2.JA.05a | Cupromakopavonite | Ag3Cu8Pb4Bi19S38 |
2.JA.05 | Dantopaite | Ag5Bi13S22 |
2.JA.10a | Cuprobismutite | Cu8AgBi13S24 |
2.JA.10c | Hodrušite | Cu8Bi12S22 |
2.JA.10e | Padĕraite | Cu7[(Cu,Ag)0.33Pb1.33Bi11.33]S22 |
2.JA.10d | Pizgrischite | (Cu,Fe)Cu14PbBi17S35 |
2.JA.10b | Kupčíkite | Cu3.4Fe0.6Bi5S10 |
2.JA.15 | Schapbachite | Ag0.4Pb0.2Bi0.4S |
2.JA.15 | Cuboargyrite | AgSbS2 |
2.JA.20 | Bohdanowiczite | AgBiSe2 |
2.JA.20 | Matildite | AgBiS2 |
2.JA.20 | Volynskite | AgBiTe2 |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Grumiplucite
mindat.org URL:
https://www.mindat.org/min-6981.html
Please feel free to link to this page.
Please feel free to link to this page.
External Links:
Mineral Dealers:
References for Grumiplucite
Reference List:
Localities for Grumiplucite
Locality List
- This locality has map coordinates listed.
- This locality has estimated coordinates.
ⓘ - Click for references and further information on this occurrence.
? - Indicates mineral may be doubtful at this locality.
- Good crystals or important locality for species.
- World class for species or very significant.
(TL) - Type Locality for a valid mineral species.
(FRL) - First Recorded Locality for everything else (eg varieties).
Struck out - Mineral was erroneously reported from this locality.
Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).
All localities listed without proper references should be considered as questionable.
All localities listed without proper references should be considered as questionable.
Italy (TL) | |
| |
Slovakia | |
| |
USA | |
|
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Rudňany, Spišská Nová Ves District, Košice Region, Slovakia